feat: item prices script

[scarf005]

Purpose of change

make it easier to work with item prices.

Describe the solution

add a script to query item price_postapoc fields into .csv spreadsheet format.

Describe alternatives you've considered

also query price?

Testing

$ deno run -A scripts/prices.ts --output prices.csv --paths ../Cataclysm/data/json/items/ | wc -l
3692

Additional context

asked by @RoyalFox2140

• https://discord.com/channels/830879262763909202/830916451517857894/1211010228523634718
• https://discord.com/channels/830879262763909202/830916451517857894/1211106859092807680

[RoyalFox2140]

Thanks. We had a conversation about auditing prices across the board but so far nothing has come of it.

[Lamandus]

Seems fine to me. I checked the files and I couldn't find an error.